Coaches and parents should also be cautious that youth sport participation does not become work for children. The outcome of the game should not be more important than the process of learning the sport and other life lessons. In today's youth sport setting, young athletes may be worrying more about who will win instead of enjoying themselves and the sport. Following a game many parents and coaches focus on the outcome and find fault with youngsters' performances. Positive reinforcement should be provided regardless of the outcome. Research indicates that positive reinforcement motivates and has a greater effect on learning than criticism. Again, criticism can create high levels of stress, which can lead to burnout.

　　51. An effective way to prevent the burnout of young athletes is ______

　　A. to reduce their mental stress             

　　B. to increase their sense of success        

　　C. to make sports less competitive

　　D. to make sports more challenging

　　52. According to the passage sport is positive for young people in that ____ .

　　A. it can help them learn more about society

　　B. it enables them to find flaws in themselves

　　C. it can provide them with valuable experiences

　　D. it teaches them how to set realistic goals for themselves

　　53. Many coaches and parents are in the habit of criticizing young athletes ______ .

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